Alt WAV MP3 WMA OGG Converter
You should do only two actions to start converting:
1. create a list of files for converting (you can simply drag&drop
them to the Alt Converter main window from the Explorer or other
file manager or add with "Add files" button);
2. specify destination path for the created output files (by default
they saved in some directory with source files).

optionally before converting you may choose bitrate (up to 320 kbps),
samplerate and stereo/mono mode and specify tags for files in list.

converting from Windows Explorer
exactly with one right mouse click and make and customize shell
integration;

using mp3, ogg or wma TAGs:
you can specify information about each of music file (Title, Artist,
Album, etc.);

automatic source deleting:
source files can be deleted automatically after convertion, it is
convenient if you convert from the big library in your hard drive
and want to save free space on it or if you convert from files in
many different folders;

easy to use: it has a simple
interface that allows you to select files for encoding easily, set
different parameters for files and convert them all together;